C. S. (Main) Exam: 2011

Serial No. ( C ~'(1 [ C-DTN-lr-BHA)

AGRICULTURE

Paper-I

(Time Allowed: Three Hours} (Maximum Marks : 300)

" INSTRUCTIONS

Each question is printed both in Hindi and in English. Answers must be written in the medium specified in the Admission Certificate issued to you, which must be stated clearly on the cover of the annyer-book in the space provided for the purpose. No marks will be given for the answers written in a ~nedium . . other than that specified in the Admission Certificate. Candidates should· attempt Question Nos. I and 5 which are compulsory. and any three of the remaining questions selecting at least one question from each Section. The number of marks earNed by each question is indicated at the .end of the question.

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. . l ' . ,.I .SECTION-A ,,' I " .f. I" •a . ~· ~ J,

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• I. Write short notes on the following in about 150 words

2.

each:-15x4=60

(a) Importance ofilgro,eco1ogical factors in land use planning. . .,1{ ,, t M

(b) Integrated nutrient management for sustainable agriculture_. l

(c) Surface and sub-suiface drip irrigation. (d) Biological weed ·control:\ . ". ;

. ' ' (a) Explain the fertigation giving its merits. Give , s~~~~,\Jle fertilizers of major .11utrients ·used in , .f\;rtigation through micro-irrigation. 15+ 15=30

(b) ··-Enumerate fertigation equipments along with their ' ·merits and demerits: - 30

• 3. Differentiate between the following terms :-

(a) Sheet erosion and rill erosion. (b) Agroforestry and social forestry .

• (c) Organic and inorganic colloids of soil. (d) Chemical fertilizers and bio-fertilizers. (e) Selective· and non-selective herbicides. (f) Mineralization and immobilization.

2 X

10x6=60

(Contd.)

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3.

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(<11) lfift11<il'1 ;:Jqif>{OI ~ ~ <1171~ .aiT< d'i~ :rrr-~ "1dl~ I 30

:-

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(lr) i1ll'il~'iif> ~ 3li1ll11~'iif> QII'!>11Qft I (t) ,"1f.1"11'f>{OI ~ ~I

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IOx6=60

(Contd.)

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•

4. (a) Enlist important greenhouse gases. How can agric.ulture affect climate change ? Describe the importance of carbon sequestration.

5+17+18=40 (b) What are the different methods of planting

sugarcane ? 20

.SECTION-B 5. Write short notes on the following in aboutlSO words

each :- 15x4=60 (a) Importance of available soil moisture in irrigation

water management. (b) Principles of treatment of industrial effluent for

irrigation purpose.

(c) Kisan call centre. (d) Crop insurance.

6: (a) Explain integrated watershed management as a hydrological unit. Describe the pri~ciples and objectives of watershed management. Describe the benefits and causes of deterioration of watershed. 5+10+15=30

(b) What is extension programme planning? Explain principles and steps of extension programme planning. How will you evaluate an extension programme? 5+15+10=30

4 X

(Contd.)

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5+17+18-40

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(<f) f<llictl{ 'lil>l'<t>ll 311<11"1'11 '1m~ ? f<llictl{ 'l>l4'h'l 311<l'i"''"ll if; ffi<al"d 1J;Cf 'f\{U]j 'lit ('1"1*11~ I ~ f<llictl{ 'lil>l'<t>ll

'fiT '!:~'"'li'li'1 3IT'! ~ <ji{)) 7 5+15+10=30

5 (Contd.) X

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7. (a) What isthe importance of agricultural marketing? .Explain tlie physical and institutional infrastructure of marketing and market intelligence. 10+20=30 (b) What is expert system ? How can it help in disseminating information 'to the farmers across the country in the scarce situation of human and financial resources to-extension? 10+20=30

8. Explain the following :;--:. 1 15x4=60 (a) Problems of waterlogged soils. ·-· (b) Residual Sodium Carbonate (RSC) in irrigation 'water. (c) Role of self help group in, empowering rural women. (d) Criteria of scheduling irrigation.

6 )( (Contd.)

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' 15x4=60

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Serial No. ['--......,....--,..----') (c-DTN-L-BHA)

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( ~olf<P : 300)

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Note : English version of the Instructions is printed on the front cover of tl:zis question paper. s: )(

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---- -[c. s. (Ma,n) Exarn: 2~1~1

Serial No. (-v C .,) ( ) ,_ .• _ ____::::::=· ;;::··~::c·s_, . C-DTN-L-BHB

AGRICULTURE Paper-11

(Tune Allowed: Tl~ree Hours] (Maximum Marks : 300)

INSTRUCTIONS Each question is printed both in Hindi flnd in English.

Answers must be written in the medium specified in the Admission Certificate issued to you, which must be stated clearly on the cov.er of the answer-book in the space providedfor thep!frpose. No marks will"be given for the answers writtr;n in a medfum other than that specified in the Admissipn Certificate.

Candidates should attempt Question Nos. 1 . imd 5 which are compulsory, and any three oft he ,remaining questions selecting at/east one question from each Section. All questions carry equal marks.

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SECTION-A ~~ '. j l•. . ' . ' ' . ., • 1. Answer the following questions in about 150 words each:-- 15x4=60 (a) What are iransgenii::s·? Discuss the major biosafety

concerns of gc:neticallx,modified crops. (b) What are cytoplasmic mutations ? Discuss their

, role in crop improvement. (c) Whafisroguing ? Discuss its importance in quality

seed production. t' ~ ~ ,_,

, • ' -- I (d) Whatis photoinsensitivity ? Discuss its significance in crop production.

2. Answer the following in about 150 words each :-15x4=60

(a) Describe. briefly the· ultrastructure of a plant cell. Explain cell as a structural and functional unit of 'life.

(b) What are haploids ? How are they produced? Discuss their applicat\ons in crop improvement. .. .

-

(c) Discuss critically the strengths and weaknesses of seed industry in India.

(d) What are plant antitransplrants ? Discuss their applications giving suitable examples.

2 (Contd.) XX

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3 (Contd.) XX

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3. Answer the following in-_about 150 words, each :-• 1Sx4=60

(a) What is heritability ? Explain the types of heritability and their significance in crop improvement.

(b) What is hybridization ? Briefly discuss the techniques in ,hybridization.

(c) Give a brief account of seed legislation in India.

(d)• .Distinguish between the c3 and c4 mechanisms of photosynthesis and discuss the biological significance of c'\ cyck

4. Write short notes on the following in about 150 words each :- 1Sx4=60 (a) Somaclonal variation. and its use in crop

improvement. (b) Molecular markers and their applications in plant

improvement. (c) Seed registration. (d) Plant enzymes and their role in the vital activities

of plants.

SECTION-B 5. Answer the following in about 150 words each :-

1Sx4=60 (a) Define polyembryony. Discuss its significance in

hortiCulture with. speCial reference to mango and citrus.

4 (Contd.) XX

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.,

• . +

l J ., •. ; ,d ' I5x4=60

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5 (Contd.) XX

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(b) uWrite the diagnostic symptoms of potato spindle · tuber disease, its mode of transmission and

management. . . , '

(c) What is micropropagation ? What are its advantages? Give suitable exam]Jles of its utilization in horticultural crops.

(d) What is a pheromone trap ? Discuss its use in pest management.

6. Answer the following in about 150 words each :-15x4=60

(a) Describe candied fruits, glazed fruits and crystallized fruits and give the principles involved in their preservation.

(b) List out the major .insect pests of citrus. Write in detail about citrus psylla with its management.

(c) What is plant quarantine ? How does it regulate the import and export of plants and seed material ?

(d) What is food security ? Wi:ite a note on food grain production and food security.

7. Ariswer the following in about 150 words each :­I5x4=60

(a) Elucidate the medicinal uses of 'Sarpagandha' (Rauwolfia serpentiiui). Recommend the viable production technology for 'Sarpagandha'.

6 (Contd.) XX

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7 (Contd.) XX

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(b) Describe the production technology, for carnation

under greenhouse conditions.

(c) Write in brief the diagnostic symptoms of bunchy

top of banana, its mode of transmission and •

management practices to combat 'the problem.

(d) Discuss the present status of cashewnut industry

in India with reference to production, productivity,

consumption and export. Suggest strategies-for its

further improvement.

·s. Write short notes o~ the following in, about 150 words

each:- J5x4=60

(a)

. (b)

Ikebana.

NETO and NEP,O viruses.

(c) Sex expression in papaya.

•( d) Pesticide residue toxicity in fruits and vegetables.

8 (Contd.) XX

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9 (Contd.) ••

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Serial No.'--( _____ ) ( C-DTN~L-BHB] !}f .. ,,

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Note : English version of the Instructions is printed on the front cover of this question paper.

10 XX

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